Display device or portion thereof with graphical user interface



This application claims the benefit of U.S. application Ser. No. 16/398,145, filed Apr. 29, 2019, U.S. application Ser. No. 16/398,148, filed Apr. 29, 2019, U.S. Provisional application Ser. No. 62/665,478, filed May 1, 2018, U.S. Provisional application Ser. No. 62/720,493, filed Aug. 21, 2018, and U.S. Provisional application Ser. No. 62/757,128, filed Nov. 7, 2018, the disclosure of each of which is incorporated, in its entirety, by this reference.

A drawing accompanies this disclosure. The drawing is a view of a display device or portion thereof with a graphical user interface.

The broken lines shown in the drawing illustrate portions of the display device or graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display device or portion thereof with graphical user interface, as shown and described. 